Home / 71,838.60-99,137.42-41,629.75

Finding the Fourth Proportional to 71,838.60, 99,137.42 and 41,629.75

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Solution

The fourth proportional to 71,838.60, 99,137.42 and 41,629.75 is: 57,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,838.60 : 99,137.42 = 41,629.75 : x
  2. Step 2: Convert to fraction form
    71,838.60/99,137.42 = 41,629.75/x
  3. Step 3: Cross multiply
    71,838.60x = 99,137.42 × 41,629.75
  4. Step 4: Simplify right side
    71,838.60x = 4,127,065,710.36
  5. Step 5: Solve for x
    x = 4,127,065,710.36/71,838.60
  6. Step 6: Final answer
    x = 57,449.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.